@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001707>
  skos:prefLabel "روغن‌ها"@fa, "oils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0001705> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001689>
  skos:prefLabel "روغن‌های روان‌ساز"@fa, "lubricating oils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001705> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001705>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0001707> ;
  skos:prefLabel "روغن‌های مصنوعی"@fa, "synthetic oils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .